CNN Weed Dr. Sanjay Gupta Reports November 25, 2013 04:49:00
And that took him to the place many call, the medical marijuana research capital, israel. it might surprise you, but actually research into cannabis and epilepsy started here in the 1970s with studies that showed it could reduce convulsions in rats. today shackleford is hoping to start clinical trials in humans there. >> we need to understand it well enough that they won't be reluctant to, at least, give it a thought. at least try it. >> and it is not just epilepsy. but researchers in israel are studying a variety of illnesses. >> when we come back, what they're finding, up close. and an amazi...